| In an undirected graph, (i,j) means that node i and node j are connected with an undirected edge. | |
| The nodes are numbered from 0 to 25, and the edges are: (7,8) (21,5) (18,9) (2,22) (21,2) (7,20) (13,0) (6,9) (0,3) (18,15) (4,11) (0,2) (17,25) (1,0) (12,1) (7,1) (1,10) (9,3) (24,25) (25,19) (16,8) (4,12) (10,14) (15,14) (23,0) (25,20) (5,4) (13,25). |